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Rating the most effective fructooligosaccharides of 2022

Fructooligosaccharides, typically abbreviated as FOS, are a particular sort of carbohydrate which might be utilized by probiotic micro organism to develop and multiply.

Because of this, fructooligosaccharides fall underneath the umbrella of prebiotics—they’re primarily meals for probiotic micro organism. FOS dietary supplements present your digestive system with extra of this important gas for wholesome intestine micro organism.

They’re an important praise to probiotic dietary supplements for assuaging gastrointestinal issues, selling weight reduction, and reducing down on irritation in your physique. Want an excellent prebiotic to assist assist wholesome intestine micro organism? Test our rankings of the most effective FOS dietary supplements.


1. Efficiency Lab Prebiotic

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Efficiency Lab Prebiotic focuses on a particular mix of inulin from chicory root. This naturally-sourced FOS helps foster probiotic micro organism development each within the abdomen and additional into the digestive tract.

These substances present 1.7 grams of fiber, and are delivered in a vegan-friendly pullulan capsule. The wonderful efficiency of the inulin and fructooligosaccharides, plus the shortage of any ancillary substances, propels this complement to the highest of our rankings. 

2. Micro Components Natural Chicory Root Inulin Powder

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If you would like a supply of fructooligosaccharides that’s as pure as doable, Micro Components is the way in which to go. This powdered inulin accommodates FOS alongside different naturally-occurring carbohydrates and fibers present in uncooked chicory root.

Whereas it doesn’t have the comfort of capsules, it does provide the flexibility of adjusting the dosage as wanted, and it’s the proper alternative for a FOS complement that’s going to be combined into protein shakes and smoothies.

3. Layer Origin PureHMO Tri-Prebiotic Powder

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Layer Origin makes a triple-action prebiotic complement that gives FOS alongside two different highly effective prebiotics: human milk oligosaccharide (HMO) and galactooligosaccharides (GLO).

This powder-form prebiotic supplies a wider vary of vitamins to probiotic micro organism, and is straightforward to combine into shakes, smoothies, and inexperienced drinks, making it a powerful total decide.

4. Namanna Inulin FOS

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Namana Inulin FOS is a straightforward, naturally-sourced FOS powder derived from chicory root. It’s a pure and easy powder-form supply of fructooligosaccharides, although its greatest characteristic is its bulk sizing.

You’ll be able to rise up to 6 kilos of this FOS complement, making it an important possibility for individuals trying to save by shopping for in bulk. Whereas it’s not organically licensed like a number of the different powder-form FOS dietary supplements on the market, it’s nonetheless an important possibility.

5. Jarrow Formulation Prebiotic Inulin-FOS

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This powder-form prebiotic from Jarrow Formulation is fundamental however efficient. It supplies inulin-derived fructooligosaccharides to the tune of three grams per serving, which supplies you a strong quantity of naturally-sourced fiber with zero extraneous substances. If you would like a easy however efficient powder-form FOS, Jarrow Formulation is an effective possibility. 

6. Supply Naturals FOS

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Supply Naturals supplies a fructooligosaccharide complement in easy capsule type, every of which supplies one gram of FOS.

The simplicity and comfort of those capsules are nice, although you don’t get FOS together with different naturally-sourced compounds from chicory or inulin, and the capsules do have a number of binders and fillers added to them that you just gained’t see in different opponents.

However, it’s a dependable decide if you’d like a handy and reliably-measured dosage of FOS. 

7. Herbamama Chicory

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Herbamama fills a distinct segment position in FOS dietary supplements: a uncooked, all-natural chicory root extract that’s out there in capsule type.

Normally, you need to select between purified and extracted fructooligosaccharides delivered as a capsule, or uncooked pure sources of FOS, like chicory root, in powder type. It’s an excellent decide if you’d like the advantages of raw-sourced FOS, however the comfort of a capsule.

The one draw back? The per-capsule dosage is decrease than a few of its opponents, at solely 600 mg, which makes it a poor alternative in the event you want a excessive dosage of FOS.

8. NOW NutraFlora FOS Powder

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NOW NutraFlora is a single-ingredient supply of fructooligosaccharides that comes from chemically processed cane sugar. This powder supplies a excessive dose of FOS, however like different NutraFlora-based prebiotics dietary supplements, it loses factors in our rankings for not being naturally derived.

The upside is that you just get precisely the FOS and fiber content material you measure out—since this complement is 100% fructooligosaccharides, there are not any ancillary substances and you’ll dial in your dosage with precision. 

9. Gobiotix Prebiotic Fiber Increase

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Gobiotix makes use of a proprietary fructooligosaccharide supply referred to as Nutraflora to ship its prebiotic vitamins. Not like naturally-sourced FOS present in plant-based compounds like chicory root, Nutraflora FB P-95 (the precise preparation used on this complement) is synthesized by fusing collectively cane sugar molecules.

This has the upside of creating the precise sugar content material zero, however means this FOS complement is in a little bit of a unique class than its naturally-sourced opponents. This sourcing, plus the presence of silicon dioxide as an anti-caking agent, knocks it down in our rankings.

10. Gogo Prebiotic Fiber Gummies

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Gogo Prebiotic Fiber is uncommon amongst FOS dietary supplements in that it is available in gummy type.

This supply format is beneficial for individuals who don’t like taking prebiotics the same old approach (as a capsule or in powder combined right into a drink or smoothie), however the draw back is that the dosage of fructooligosaccharides is smaller than lots of its extra conventional opponents.

On prime of that, every gummy serving accommodates 2 grams of sugar–not a lot, however that’s a 2:3 ratio of sugar to fiber, which isn’t the most effective.

Given these weaknesses, Gogo Prebiotic Fiber Gummies are solely fitted to the beautiful slender area of interest of people that wish to take FOS in gummy type. Most customers can be better-served by a number of the alternate options available on the market. 

Class winners

Greatest FOS total: Efficiency Lab Prebiotic

Efficiency Lab takes our prime spot because of its excellent-quality inulin-derived fructooligosaccharides.

Not like lots of its opponents, it supplies naturally-sourced FOS, with the entire ancillary advantages that come from the uncooked chicory root materials that produces the fructooligosaccharides.

Add to that the comfort of a capsule-based FOS complement and also you’ve received a superb all-around decide. 

Greatest fructooligosaccharides for weight reduction: Micro Components Chicory Root Inulin Powder

Fructooligosaccharides assist with weight reduction on two fronts: first, they assist promote a wholesome intestine microbiome, and second, they instantly cut back starvation cravings because of their fiber content material.

Micro Components is our decide in relation to weight reduction, because of its naturally-sourced inulin powder and the benefit of dialing within the dosage to ship sufficient fiber to maintain your starvation underneath management. When paired with an excellent probiotic, it’s the proper possibility for weight reduction.

Greatest FOS for digestive well being: Efficiency Lab Prebiotic

Selling digestive well being by supporting wholesome populations of probiotic micro organism is without doubt one of the core capabilities of FOS dietary supplements, so it ought to be no shock that our prime decide, Efficiency Lab Prebiotic, shines on this position.

Its inulin-based FOS is ideal for supporting the expansion of a variety of probiotic micro organism, and due to its excessive dosage capsules, it’s simple to include into your bigger supplementation routine.

Greatest FOS for probiotic smoothies and inexperienced drinks: Layer Origin PureHMO Tri-Prebiotic Powder

Layer Origin is our favourite FOS complement for probiotic smoothies because of its multi-ingredient prebiotic combine.

You get fructooligosaccharides alongside HMO and GLO, two different potent oligosaccharides that assist the expansion of any variety of probiotics that you just would possibly add to your smoothies and inexperienced drinks.

It’s the most suitable choice for maximizing the vary of probiotic vitamins in your custom-mixed well being drinks.

Greatest FOS to take with a probiotic complement: Efficiency Lab Prebiotic

Prebiotic dietary supplements accomplice very effectively with probiotics, and in relation to combining the 2, it couldn’t be simpler than with Efficiency Lab Prebiotic.

It delivers high-quality fructooligosaccharides in a capsule that may be taken alongside any good probiotic to boost its efficacy and maintain increased ranges of helpful micro organism in your digestive tract. 

Greatest FOS for urge for food management: Micro Components Natural Chicory Root Inulin Powder

Micro Components is our decide for controlling urge for food and preventing starvation because of its excessive ranges of fiber and its naturally-derived fructooligosaccharides.

This powder type complement makes it simple to dial within the dosage you want, and its naturally-sourced chicory root FOS delivers probiotic vitamins with unparalleled purity. 

Who can buy fructooligosaccharides?

Fructooligosaccharides instantly assist constructing excessive ranges of wholesome micro organism in your gastrointestinal tract. As such, it’s not shocking that they’re helpful for most of the identical stuff you’d take a probiotic complement for, like gastrointestinal and digestive issues.

Nevertheless, as a result of probiotic micro organism affect so many elements of your physique’s operate, FOS dietary supplements are additionally helpful for purposes like weight reduction, decreasing irritation, and even enhancing psychological wellbeing (since many neurotransmitters are synthesized within the gastrointestinal tract). 

Normally, except you’re already assured concerning the probiotic micro organism in your physique and in your eating regimen, you’ll take fructooligosaccharides alongside a probiotic complement tailor-made to your particular wants. Ideally this is able to be a high-CFU (colony forming models, the dosing unit for probiotics) complement that features a number of strains of probiotic micro organism. 

Upon getting a daily probiotic consumption, both from a complement or probiotic-rich meals like kombucha, kimchi, yogurt, and miso, you’ll be able to add in a FOS complement to assist speed up their development. 

Prebiotics like FOS go effectively alongside probiotics as a part of a supplementation technique for weight reduction, because of the position that probiotic micro organism and fiber play in your physique’s emotions of satiety and fullness.

As a result of FOS are digestible by micro organism however not by your individual digestive tract, additionally they operate as fiber dietary supplements, serving to you’re feeling extra full and reducing down on starvation cravings. 

One other extra area of interest use case for FOS is for individuals taking antibiotics. Antibiotics are wonderful for clearing up infections, however an rising variety of medical doctors are recommending probiotic and prebiotic dietary supplements (together) throughout or after a course of antibiotics to assist rebuild your physique’s inhabitants of wholesome intestine micro organism.

Among the adverse gastrointestinal uncomfortable side effects of antibiotics may be attributed to the truth that they indiscriminately kill off each wholesome and disease-causing micro organism.

So, a FOS complement alongside an excellent probiotic complement would possibly assist restore your intestine well being after taking antibiotics.

Nevertheless, this use case is controversial, with some medical doctors expressing concern about introducing new micro organism to the physique shortly following using an antibiotic (1).

How we ranked

Fructooligosaccharides may be delivered in quite a lot of methods: capsules, powders, and gummies, to call just some. Moreover, you will get FOS by itself, or together with different prebiotic compounds.

We took all of those prospects into consideration in a scientific approach when constructing our rankings: first, we sorted a variety of merchandise into completely different classes primarily based on their FOS supply mechanism, with every class having barely completely different rating priorities.

For fructooligosaccharide dietary supplements that are available in powder type, we put an particularly excessive premium on purity. We most well-liked fructooligosaccharides that had been derived naturally from inulin extracted from chicory root, versus artificial FOS from fused sugar molecules.

We additionally gave further factors to powder type FOS dietary supplements that delivered FOS alongside different prebiotic compounds.

This helped propel merchandise like Layer Origin PureHMO in the direction of the highest of this class, because of its triple-ingredient prebiotic formulation.

Purity helped elevate Micro Components excessive within the rankings, because of its organically-sourced inulin from uncooked chicory root. In distinction, merchandise that used artificial FOS, like Gobiotix, ended up decrease in our rankings. 

For capsule-based compounds, each purity and dosage made a giant distinction in our rankings. Some FOS dietary supplements that are available in capsules are delivered in fairly low doses, which hurts their skill to fortify your probiotic micro organism populations.

Excessive-dosage merchandise that ship pure, naturally-sourced FOS, like Efficiency Lab Prebiotic, scored effectively on this class, whereas decrease dose choices like Herbamama fell decrease in our record (and the bottom dose choices received dropped fully). 

Gummies had a tough time making our rankings as a result of their comfort is offset by each their decrease dosage and, by necessity of the gummy formulation, their worse purity. Due to these disadvantages, just one gummy FOS complement made our record, and it was on the backside.

Whereas gummies are helpful for youths and for older adults who don’t wish to must swallow yet one more tablet day-after-day, most customers are higher served by drinks constructed from FOS powder or FOS capsules. 

The supply mechanism additionally factored into how we introduced collectively product classes to type our total rankings. We mixed the separate rankings for every class of complement by weighting each the standard and the comfort of use for the typical consumer. 

For many individuals, the comfort of capsules and the purity and dosage flexibility of powders makes these two choices fairly aggressive with one another, so our top-rated dietary supplements contained a mixture of each capsules and powders.

As mentioned above, gummies confronted vital challenges on the dosage and purity fronts, which put the one gummy FOS complement on the backside of our rankings.

After combining all three varieties of FOS dietary supplements and rating them by their weighted high quality, this left us with our last rankings of the most effective fructooligosaccharides out there available on the market proper now. 


Fructooligosaccharide dietary supplements might help cut back bloating and fuel. Gastrointestinal complaints like bloating and fuel are some of the widespread purposes of each prebiotic and probiotic dietary supplements, since having extra wholesome micro organism can reduce down era of fuel in your digestive tract (which is the basis explanation for bloating).

A scientific article revealed in 2022 by Jordi Serra on the College Hospital Vall d’Hebrón in Spain reviewed the therapy choices for bloating and highlighted the potential of probiotics and prebiotics like FOS within the therapy of persistent bloating (2).

By modifying the inhabitants of intestine micro organism inside your gastrointestinal tract, FOS dietary supplements are thought to enhance your skill to digest meals that will in any other case trigger extreme fuel and bloating. 

FOS dietary supplements enhance the degrees of helpful bifidobacteria within the physique. The said objective of FOS dietary supplements and different prebiotics is to extend the degrees of helpful micro organism in your digestive tract, however do they actually work?

A meta-analysis of 11 research revealed in 2019 within the American Journal of Scientific Diet got down to reply this query by analyzing research on adults with irritable bowel syndrome (3).

After pooling the outcomes of those completely different research, the outcomes confirmed that taking a prebiotic complement does result in a big enhance in ranges of bifidobacterium within the physique–bifidobacterium being some of the commonly-studied strains of probiotic micro organism.

Nevertheless, the outcomes on signs of irritable bowel syndrome had been extra diverse, with no vital enhancements in total high quality of life in individuals with IBS in comparison with these in placebo teams–notably, although, these research examined a variety of prebiotics, and never all of them included the identical set of probiotics alongside the prebiotic dietary supplements, which could clarify these discrepancies. 

Fructooligosaccharides can enhance the intestine microbiome of older adults. Gastrointestinal issues turn into extra frequent as you become old, and one proposed trigger is the lower in microbiome variety and ranges of helpful micro organism that occurs with getting older.

Prebiotic dietary supplements like FOS are one doable avenue for reversing this lower. A research revealed by researchers in Greece, Italy, and the UK and revealed in 2014 within the scientific journal Anaerobe investigated a variety of probiotic, synbiotic, and prebiotic dietary supplements for his or her skill to have an effect on the microbiome populations in aged topics (4).

Utilizing a pool of aged volunteers, the researchers used fecal samples to analyze adjustments within the intestine microbiome after a number of completely different dietary supplements, together with FOS. The outcomes confirmed that each lactobacillus and bifidobacterium counts elevated considerably at each 5 and ten hours post-ingestion of the complement.

These outcomes point out that older adults might see vital advantages within the well being of their intestine microbiome after taking a FOS complement. 

Taking a FOS complement might help enhance constipation. Constipation is one other frequent gastrointestinal grievance that’s linked with intestine microbiome well being.

One research revealed in 2000 within the journal Diet Analysis examined the flexibility of a low-dose FOS supplementation routine to enhance bowel operate in constipated males (5). The research concerned 5 topics who accomplished a low-fiber management eating regimen for one month, then a 30-day intervention the place their eating regimen was supplemented with ten grams of fructooligosaccharides every day.

The researchers collected fecal samples over the ultimate 5 days of every observational interval and in contrast the stool weight and fatty acid content material of the fecal samples.

The outcomes confirmed that constipation decreased considerably and stool weight elevated considerably throughout the FOS intervention in comparison with the low-fiber management interval.

Moreover, the focus of short-chain fatty acids in stool (a marker of gastrointestinal well being) elevated by as much as 18-fold when the themes had been taking FOS in comparison with the management interval.

The findings of this research recommend {that a} FOS complement is a good alternative when you’ve got constipation or poor-quality bowel actions, notably in case your eating regimen is low in fiber to start with. 

Fructooligosaccharide dietary supplements would possibly assist with weight reduction. Emotions of starvation and satiety are modulated considerably by probiotic micro organism, as are the digestion course of itself.

For these causes, dietary supplements that have an effect on probiotic micro organism ranges, like fructooligosaccharides and different prebiotics, have attracted loads of consideration for his or her potential weight reduction advantages. One evaluation research revealed within the Annals of Diet and Metabolism in 2013 examined the vary of human research to this point on FOS and its potential weight reduction advantages (6).

The outcomes had been diverse, since there are such a lot of potential methods during which a prebiotic complement might contribute to weight reduction, together with direct reductions in physique mass, adjustments in physique composition, and reduces in urge for food and starvation, to call just some examples.

Nonetheless, the research discovered some restricted proof that fructooligosaccharide supplementation taken over lengthy durations (one 12 months or extra) might result in vital decreases in physique mass index. 

A prebiotic like FOS would possibly assist enhance your temper and enhance psychological wellness. One of the crucial thrilling avenues of analysis in diet is the connection between intestine micro organism and psychological well being, together with situations like despair and anxiousness.

Some rising analysis suggests a powerful connection between intestine micro organism and temper: for instance, about 95 % of the physique’s serotonin is synthesized within the intestine (7).

Analysis into the flexibility of prebiotic dietary supplements to have an effect on temper is simply starting. In line with a evaluation of the present state of the sphere by a staff of researchers in Iran and revealed within the journal Scientific Diet in 2020, some analysis has indicated that particular probiotic micro organism strains can enhance temper and enhance despair, although the analysis on prebiotics like FOS is far more scarce (8).

Whereas there’s nonetheless a necessity for extra analysis, the potential for FOS dietary supplements being a easy and efficient solution to enhance temper may be very thrilling: if the precise probiotic micro organism that enhance temper most successfully may be recognized, these probiotics would possibly be capable to be mixed with a prebiotic for FOS for even higher outcomes. 

Uncomfortable side effects

Fructooligosaccharide dietary supplements would possibly trigger some bloating and fuel within the first few days as you get adjusted to completely different ranges of probiotics. Whereas FOS dietary supplements could make a giant enchancment long-term for individuals who have bloating, fuel, and indigestion, it might probably take a number of days to your physique to get adjusted to the brand new ranges of the assorted probiotic micro organism in your digestive tract which might be feeding off the prebiotic vitamins in FOS.

Throughout this time, you would possibly expertise some bloating and fuel. Usually, although, this subsides after a number of days, and you’ll count on to see vital enhancements in your gastrointestinal signs thereafter, as the degrees of helpful probiotic micro organism in your physique enhance. 

In case you are immunocompromised, you need to speak to your physician earlier than taking a probiotic or prebiotic complement like FOS. Probiotic and prebiotic dietary supplements are a number of the most secure dietary supplements you should buy, and so they’ve been extensively examined in scientific trials.

Nonetheless, since these dietary supplements can have an effect on the degrees of helpful micro organism inside your physique, some medical doctors advocate speaking to your doctor earlier than taking a complement like FOS in case you are immunocompromised(for instance, when you’ve got had an organ transplant, most cancers therapy, or HIV) (9).

Even so, the newest analysis does point out that probiotic-oriented dietary supplements are secure for immunocompromised individuals.

A research revealed in 2015 within the journal Helpful Microbes that evaluated 57 completely different scientific trials concluded that the speed of antagonistic occasions was really decrease in immunocompromised individuals taking probiotics in comparison with the speed in wholesome people taking probiotics, which is a promising discovering that implies dietary supplements like FOS are secure even for these sorts of particular populations (10). Nonetheless, it’s a good suggestion to seek the advice of along with your physician first.  

Fructooligosaccharides usually are not appropriate with the FODMAPs eating regimen. Some individuals with irritable digestive tracts have had success reducing out a particular class of vitamins generally known as FODMAPs.

This stands for fermentable oligosaccharides, disaccharides, monosaccharides and polyols, and a few notably delicate individuals discover that all these carbohydrates trigger cramping, diarrhea, bloating, and different gastrointestinal signs.

The FODMAPs eating regimen is especially widespread amongst individuals with situations like Crohn’s illness, irritable bowel syndrome (IBS), and ulcerative colitis.

Sadly, the “FO” in FODMAPs (fermentable oligosaccharides) consists of fructooligosaccharides, which suggests these dietary supplements are a no-go for individuals on the FODMAPS eating regimen. 

If FOS dietary supplements provide you with cramps, diarrhea, stomach ache, and bloating, you may need FODMAP sensitivity. Normally, fructooligosaccharide dietary supplements enhance gastrointestinal well being and reduce down on issues like bloating, diarrhea, cramps, and stomach ache.

However in the event you discover a big uptick in these signs after taking a FOS complement, you may need an unrecognized sensitivity to FODMAP carbohydrates, and shouldn’t use a FOS complement. 

Beneficial dosage

FOS is present in small quantities in a typical eating regimen; one paper pegs the day by day consumption of FOS at one to 4 grams per day for the standard American eating regimen, and three to 11 grams per day within the typical European eating regimen (11).

These ranges present an excellent flooring boundary for applicable FOS dosage: to expertise vital results, you’ll seemingly want to spice up your consumption above these background ranges. 

Certainly, the standard research that investigates the advantages of FOS makes use of dosage ranges ranging between 10 and 40 grams per day complete (12,13,14).

This vary can also be roughly equal to the quantity beneficial by a evaluation research revealed by researchers in Spain within the Journal of Physiology and Biochemistry, which recommends supplemental doses of 4 to fifteen grams per day for improved gastrointestinal well being and for combating constipation (15).

Fructooligosaccharides cross by way of the digestive tract practically untouched by the physique (as a substitute, they function meals and substrate for micro organism), so absorption dynamics usually are not related for FOS dietary supplements like they sometimes can be for a bioactive complement.

Because of this, you’ll be able to both break up your FOS dosage into smaller items to take all through the day, or take it as one bolus within the morning or within the night.

Particularly at increased doses of FOS, the fiber content material will begin inducing results in your satiety and gastric motility (i.e. frequency of a bowel motion), so you could wish to regulate your timing throughout the day to maximise the advantages.

For instance, if you’d like the satiety-inducing results of FOS for weight reduction, taking your FOS complement within the morning or early afternoon can be higher than taking it at evening. The other is true in case you are in search of extra common bowel actions: taking your FOS complement earlier than mattress can be a greater possibility in that case. 


Q: What meals are wealthy in fructooligosaccharides?

A: Fructooligosaccharides may be present in complete wheat, onions, bananas, garlic, and leek, as reported by a chapter on prebiotics, synbiotics, and colonic meals within the Textbook of Pure Drugs (16).

A typical nutritious diet would possibly comprise ten grams per day of FOS or extra, however to get to the upper finish of FOS dosage that’s sometimes seen in scientific research on the advantages of prebiotic dietary supplements, the best approach is with a devoted fructooligosaccharide complement.  

Q: Are fructooligosaccharides appropriate with the FODMAPS eating regimen? 

A: No, the “FO” in FODMAPs stands for “fermentable oligosaccharide,” and as you would possibly guess from the title, fructooligosaccharides are a sure sort of oligosaccharide.

The “Fermentable” primarily means “digestible by micro organism,” which in fact is all the objective of taking a FOS complement. So, in case you are delicate to FODMAPs or are on a low-FODMAP eating regimen, you shouldn’t take a FOS complement. 

Q: Are fructooligosaccharides the identical factor as inulin fiber?

A: Fructooligosaccharides may be present in inulin fiber, however inulin additionally accommodates different polysaccharides that operate as fibers as effectively.

You may get a uncooked inulin complement that can present a variety of polysaccharides together with fructooligosaccharides, however for the very best focus you’ll desire a devoted fructooligosaccharide complement that will get this particular type of carbohydrate by purifying the polysaccharides in inulin.

A lot of our top-rated dietary supplements derive their fructooligosaccharides by purifying inulin fiber. 

Q: Are fructooligosaccharides the identical factor as chicory root? 

A: Chicory root is excessive in fructooligosaccharides, however accommodates extra compounds alongside fructooligosaccharides.

Chicory root is extracted from the frequent chicory plant, and accommodates a excessive focus of inulin fiber, which the plant makes use of as a solution to retailer power.

Inulin may be extracted from chicory root; inulin, in flip, accommodates a number of completely different polysaccharides, certainly one of which is fructooligosaccharide or FOS. As with inulin, chicory root is a typical supply of fructooligosaccharides in our top-rated dietary supplements, nevertheless it does should be purified first. 

Q: The place do fructooligosaccharides come from? 

A: Fructooligosaccharides in dietary supplements often come from certainly one of two sources. Naturally-sourced fructooligosaccharides may be extracted from plant materials, mostly the chicory plant.

This plant has roots which might be wealthy in inulin, which accommodates a mix of complicated polysaccharides, certainly one of which is fructooligosaccharides.

By purifying inulin from chicory root, fructooligosaccharides may be sourced 100% naturally. Some dietary supplements as a substitute select to synthesize fructooligosaccharides by fusing collectively easy sugars by way of a collection of chemical reactions.

When producing our rankings, we most well-liked FOS dietary supplements made by this primary technique, because it entails much less processing. 

Q: How do FOS dietary supplements assist with weight reduction? 

A: A FOS complement might help with weight reduction primarily by way of modifying your intestine micro organism inhabitants and decreasing emotions of starvation and urge for food resulting from its fiber content material.

Although the scientific proof continues to be sparse and conflicting, there’s some proof suggesting that FOS dietary supplements can cut back BMI when taken over lengthy durations (a 12 months or extra) (17).

The adjustments in urge for food have a transparent reference to diminished weight reduction, however analysis continues to be ongoing on how adjustments in intestine microbiome content material impacts weight reduction.

It’s well-known that wholesome individuals have a unique intestine microbiome make-up in comparison with overweight people (18), and these variations are although to have an effect on every thing from hormone manufacturing to nutrient absorption. 

Q: Why are fructooligosaccharides in prebiotic dietary supplements? 

A: Fructooligosachharides are included in prebiotic dietary supplements as a result of they’re a really efficient supply of vitamins for helpful micro organism, however can’t be digested by your physique.

This second level is essential, as a result of usually the same old vitamins that are digestible, like easy carbohydrates, protein, and fats, get quickly absorbed by your physique.

Probiotic micro organism thrive on troublesome to digest compounds like fiber, which incorporates fructooligosaccharides. By offering probiotic micro organism with the vitamins they should develop and multiply, you’ll be able to enhance the efficacy of the probiotic micro organism already in your physique, or the efficacy of a probiotic complement. 

Q: Can you’re taking fructooligosaccharides with out probiotics?

A: Sure, taking fructooligosaccharides and not using a probiotic complement will nonetheless enhance the degrees of helpful micro organism which might be already in your gastrointestinal tract.

This would possibly work if you have already got excessive ranges of fine micro organism, or when you’ve got a eating regimen that’s excessive in probiotic-containing meals like kimchi, cheese, kombucha, and yogurt, and kefir.

Nevertheless, for greatest outcomes, most individuals take a fructooligosaccharide complement alongside a probiotic complement, a minimum of initially.

Taking a probiotic with a excessive CFU depend (that means colony-forming models of micro organism) offers you a jump-start on establishing wholesome colonies of probiotic micro organism, that means you’ll be able to count on higher outcomes sooner once you take a FOS complement alongside a probiotic. 

Q: Must you take fructooligosaccharides with antibiotics?

A: After a course of antibiotics, it’s turning into more and more widespread to take a complement with probiotic micro organism to replenish the wholesome micro organism in your gastrointestinal tract.

Nevertheless, this method is considerably controversial, with some scientists expressing concern that introducing new micro organism might facilitate the change of genes for antibiotic resistance (19).

Whether or not it is a concern with prebiotics like fructooligosaccharides is extra of an open query, because you aren’t introducing any new micro organism into your physique–it’s a good suggestion to ask the physician who prescribed your antibiotics whether or not taking probiotics or a prebiotic like fructooligosaccharides is a good suggestion. 

Q: How lengthy does it take for fructooligosaccharides to work? 

A: Fructooligosaccharides begin having a detectable affect on intestine operate fairly shortly (inside a number of hours), however because it takes some time for intestine microbiomes to alter, you shouldn’t count on to see the complete advantages from a FOS complement for a few month.

Most analysis on the efficacy of FOS dietary supplements doesn’t even hassle evaluating the end result of curiosity (e.g. gastrointestinal well being) till a minimum of 4 weeks after beginning the complement (20). Some helpful results, like weight change, won’t seem for a number of months.

Associated articles


Fructooligosaccharides are a particular sort of fiber that wholesome micro organism in your digestive tract can use for meals, which helps them multiply and populate your intestine with a powerful inhabitants of probiotic micro organism.

Because of this, they’re an important alternative for individuals trying to increase their supplementation routine to assist enhance gastrointestinal well being, promote weight reduction, and reduce down on irritation.

Whereas individuals on specialised diets just like the FODMAPs eating regimen shouldn’t take an FOS complement, they’re an important praise to an excellent probiotic complement or a eating regimen that’s excessive in fermented meals.

If you present your physique with probiotic micro organism and the meals that these micro organism must multiply, you give your self the most effective shot at higher digestive well being, much less irritation, and a stronger inhabitants of wholesome micro organism in your physique. 

For BodyNutrition‘s #1 fructooligosaccharide suggestion, click on right here.

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